A transformer-based hierarchical registration framework for multimodality deformable image registration. - Yao Zhao; Xinru Chen; Brigid McDonald; Cenji Yu; Abdalah S. R. Mohamed; Clifton D. Fuller; Laurence E. Court; Tinsu Pan; He Wang; Xin Wang 127; Jack Phan; Jinzhong Yang (Comput. Medical Imaging Graph., 2023)